So far, we've accessed data from Flickr, saved it to a file, and added it to our map. This is pretty cool, but we really haven't done much else than just load in the data, from an OpenLayers point of view. It's useful, but we really haven't created a full featured 'web application' just yet. So, let's focus on how to build a more useful web-mapping application.
To do this, we'll basically need to do two general things:
Let's focus on the first part, and then change the data source after we develop some interactivity.